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Results tagged with linear-algebra
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user 62817
Questions about Mathematica functionality related to manipulating vector spaces and linear mappings between such spaces. This includes determination of matrix properties, matrix transformations, decompositions, and factoring.
3
votes
1
answer
53
views
How can I create a large matrix without running into hangs or recursion errors?
I'm trying to create a probability matrix, starting by creating a 100,000 by 100,000 identity matrix. However, when I try to create this using:
IdentityMatrix[100000]
The interpreter just stops wit …
- 257
2
votes
1
answer
1k
views
How can I tell if a matrix is ill-conditioned or Singular by using the Eigensystem function(...
I'm using the Eigensystem function, and I'm trying figure out whether or not it is singular or ill-conditioned. I'm using the function as so:
Eigensystem[A]
LUDecomposition[A]
And it returns a list …
- 257
1
vote
1
answer
63
views
Why do I keep getting the same time from the Timing function?
I am running a gamblers problem solution where I am testing the timing involved in solving the Ax = b equation for matrices of n=100, 1000, 10000, and 100000. For some reason I keep getting the same t …
- 257